--- ircd-hybrid/trunk/configure	2013/04/27 21:25:11	1908
+++ ircd-hybrid/trunk/configure	2014/05/31 16:27:09	3724
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Id: configure.ac 1856 2013-04-24 19:43:22Z michael .
+# From configure.ac Id: configure.ac 2594 2013-11-21 17:20:41Z michael .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69 for ircd-hybrid TRUNK.
 #
@@ -805,8 +805,7 @@ with_included_ltdl
 with_ltdl_include
 with_ltdl_lib
 enable_ltdl_install
-enable_libpcre
-enable_libGeoIP
+enable_libgeoip
 enable_openssl
 enable_assert
 enable_kqueue
@@ -814,7 +813,6 @@ enable_epoll
 enable_devpoll
 enable_poll
 enable_select
-enable_halfops
 enable_debugging
 enable_warnings
 '
@@ -1462,7 +1460,6 @@ Optional Features:
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
   --enable-ltdl-install   install libltdl
-  --disable-libpcre       Disable PCRE support
   --disable-libgeoip      Disable GeoIP support
   --enable-openssl=DIR       Enable OpenSSL support (DIR optional).
   --disable-openssl            Disable OpenSSL support.
@@ -1472,7 +1469,6 @@ Optional Features:
   --enable-devpoll        Force devpoll usage.
   --enable-poll           Force poll usage.
   --enable-select         Force select usage.
-  --enable-halfops        Enable halfops support.
   --enable-debugging      Enable debugging.
   --enable-warnings       Enable compiler warnings.
 
@@ -2455,7 +2451,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLA
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-am__api_version='1.13'
+am__api_version='1.14'
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
@@ -3010,6 +3006,10 @@ mkdir_p='$(MKDIR_P)'
 # in the wild :-(  We should find a proper way to deprecate it ...
 AMTAR='$${TAR-tar}'
 
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
 am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
 
@@ -3017,6 +3017,48 @@ am__tar='$${TAR-tar} chof - "$$tardir"'
 
 
 
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes.  So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present.  This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
+  fi
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
 $as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
     # Check whether --enable-maintainer-mode was given.
@@ -3039,6 +3081,7 @@ fi
   MAINT=$MAINTAINER_MODE_TRUE
 
 
+
 ac_config_headers="$ac_config_headers config.h"
 
 
@@ -3896,6 +3939,65 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS con
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5
+$as_echo_n "checking whether $CC understands -c and -o together... " >&6; }
+if ${am_cv_prog_cc_c_o+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+  # Make sure it works both with $CC and with simple cc.
+  # Following AC_PROG_CC_C_O, we do the test twice because some
+  # compilers refuse to overwrite an existing .o file with -o,
+  # though they will create one.
+  am_cv_prog_cc_c_o=yes
+  for am_i in 1 2; do
+    if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5
+   ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } \
+         && test -f conftest2.$ac_objext; then
+      : OK
+    else
+      am_cv_prog_cc_c_o=no
+      break
+    fi
+  done
+  rm -f core conftest*
+  unset am_i
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
+$as_echo "$am_cv_prog_cc_c_o" >&6; }
+if test "$am_cv_prog_cc_c_o" != yes; then
+   # Losing compiler, so override with the script.
+   # FIXME: It is wrong to rewrite CC.
+   # But if we don't then we get into trouble of one sort or another.
+   # A longer-term fix would be to have automake use am__CC in this case,
+   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+   CC="$am_aux_dir/compile $CC"
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
 depcc="$CC"   am_compiler_list=
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
@@ -8456,6 +8558,10 @@ _lt_linker_boilerplate=`cat conftest.err
 $RM -r conftest*
 
 
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
 if test -n "$compiler"; then
 
 lt_prog_compiler_no_builtin_flag=
@@ -13069,6 +13175,168 @@ LIBTOOL="$LIBTOOL --silent"
 
 # Checks for libraries.
 
+
+  if test "X$CC" != "X"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} accepts -fstack-protector" >&5
+$as_echo_n "checking whether ${CC} accepts -fstack-protector... " >&6; }
+if ${ssp_cv_cc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ssp_old_cflags="$CFLAGS"
+       CFLAGS="$CFLAGS -fstack-protector"
+       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ssp_cv_cc=yes
+else
+  ssp_cv_cc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+       CFLAGS="$ssp_old_cflags"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ssp_cv_cc" >&5
+$as_echo "$ssp_cv_cc" >&6; }
+    if test $ssp_cv_cc = yes; then
+      CFLAGS="$CFLAGS -fstack-protector"
+
+$as_echo "#define ENABLE_SSP_CC 1" >>confdefs.h
+
+    fi
+  fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts " >&5
+$as_echo_n "checking whether C compiler accepts ... " >&6; }
+if ${ax_cv_check_cflags__+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  "
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_check_cflags__=yes
+else
+  ax_cv_check_cflags__=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__" >&5
+$as_echo "$ax_cv_check_cflags__" >&6; }
+if test x"$ax_cv_check_cflags__" = xyes; then :
+  :
+else
+  :
+fi
+
+if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *"  "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains "; } >&5
+  (: CFLAGS already contains ) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \""; } >&5
+  (: CFLAGS="$CFLAGS ") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS "
+      ;;
+   esac
+else
+  CFLAGS=""
+fi
+
+
+
+for flag in -fno-strict-aliasing; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
   ac_fn_c_check_func "$LINENO" "getaddrinfo" "ac_cv_func_getaddrinfo"
 if test "x$ac_cv_func_getaddrinfo" = xyes; then :
 
@@ -13658,79 +13926,9 @@ if test "$ac_res" != no; then :
 fi
 
 
-# Check whether --enable-libpcre was given.
-if test "${enable_libpcre+set}" = set; then :
-  enableval=$enable_libpcre;
-else
-  ac_fn_c_check_header_mongrel "$LINENO" "pcre.h" "ac_cv_header_pcre_h" "$ac_includes_default"
-if test "x$ac_cv_header_pcre_h" = xyes; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pcre_study" >&5
-$as_echo_n "checking for library containing pcre_study... " >&6; }
-if ${ac_cv_search_pcre_study+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pcre_study ();
-int
-main ()
-{
-return pcre_study ();
-  ;
-  return 0;
-}
-_ACEOF
-for ac_lib in '' pcre; do
-  if test -z "$ac_lib"; then
-    ac_res="none required"
-  else
-    ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
-  fi
-  if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_search_pcre_study=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext
-  if ${ac_cv_search_pcre_study+:} false; then :
-  break
-fi
-done
-if ${ac_cv_search_pcre_study+:} false; then :
-
-else
-  ac_cv_search_pcre_study=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pcre_study" >&5
-$as_echo "$ac_cv_search_pcre_study" >&6; }
-ac_res=$ac_cv_search_pcre_study
-if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-$as_echo "#define HAVE_LIBPCRE 1" >>confdefs.h
-
-fi
-
-fi
-
-
-fi
-
-
-# Check whether --enable-libGeoIP was given.
-if test "${enable_libGeoIP+set}" = set; then :
-  enableval=$enable_libGeoIP;
+# Check whether --enable-libgeoip was given.
+if test "${enable_libgeoip+set}" = set; then :
+  enableval=$enable_libgeoip;
 else
   ac_fn_c_check_header_mongrel "$LINENO" "GeoIP.h" "ac_cv_header_GeoIP_h" "$ac_includes_default"
 if test "x$ac_cv_header_GeoIP_h" = xyes; then :
@@ -13798,6 +13996,7 @@ fi
 fi
 
 
+
 # Check whether --enable-openssl was given.
 if test "${enable_openssl+set}" = set; then :
   enableval=$enable_openssl;  cf_enable_openssl=$enableval
@@ -13852,8 +14051,8 @@ $as_echo "disabled" >&6; }
 fi
 
 if test "$cf_enable_openssl" != "no"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenSSL 0.9.8s or above" >&5
-$as_echo_n "checking for OpenSSL 0.9.8s or above... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for OpenSSL 0.9.8 or above" >&5
+$as_echo_n "checking for OpenSSL 0.9.8 or above... " >&6; }
   if test "$cross_compiling" = yes; then :
   cf_openssl_version_ok=no
 else
@@ -13866,7 +14065,7 @@ else
 int
 main ()
 {
- exit(!(OPENSSL_VERSION_NUMBER >= 0x0090813f));
+ exit(!(OPENSSL_VERSION_NUMBER >= 0x00908000));
   ;
   return 0;
 }
@@ -14010,38 +14209,46 @@ $as_echo "#define NDEBUG 1" >>confdefs.h
 fi
 
 
-
 $as_echo "#define NICKNAMEHISTORYLENGTH 32768" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_CHANNEL 64*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_CHANNEL 1024*1024" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_MEMBER 32*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_MEMBER 2048*1024" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_BAN 16*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_BAN 1024*1024" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_CLIENT 256*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_CLIENT 1024*1024" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_LCLIENT 128*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_LCLIENT 512*1024" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_DNODE 8*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_DNODE 32*1024" >>confdefs.h
 
 
 $as_echo "#define MP_CHUNK_SIZE_DBUF 512*1024" >>confdefs.h
 
 
-$as_echo "#define MP_CHUNK_SIZE_AUTH 32*1024" >>confdefs.h
+$as_echo "#define MP_CHUNK_SIZE_AUTH 128*1024" >>confdefs.h
+
+
+$as_echo "#define MP_CHUNK_SIZE_DNS 64*1024" >>confdefs.h
+
+
+$as_echo "#define MP_CHUNK_SIZE_WATCH 8*1024" >>confdefs.h
+
 
+$as_echo "#define MP_CHUNK_SIZE_NAMEHOST 64*1024" >>confdefs.h
 
-$as_echo "#define MP_CHUNK_SIZE_DNS 16*1024" >>confdefs.h
 
+$as_echo "#define MP_CHUNK_SIZE_USERHOST 128*1024" >>confdefs.h
 
-$as_echo "#define MP_CHUNK_SIZE_WATCH 4*1024" >>confdefs.h
+
+$as_echo "#define MP_CHUNK_SIZE_IP_ENTRY 128*1024" >>confdefs.h
 
 
 # Argument processing.
@@ -14391,20 +14598,6 @@ _ACEOF
 
 
 
-  # Check whether --enable-halfops was given.
-if test "${enable_halfops+set}" = set; then :
-  enableval=$enable_halfops; halfops="$enableval"
-else
-  halfops="no"
-fi
-
-  if test "$halfops" = "yes" ; then
-
-$as_echo "#define HALFOPS 1" >>confdefs.h
-
-  fi
-
-
   # Check whether --enable-debugging was given.
 if test "${enable_debugging+set}" = set; then :
   enableval=$enable_debugging; debugging="$enableval"
@@ -14425,7 +14618,825 @@ else
 fi
 
   if test "$warnings" = "yes" ; then
-    CFLAGS="-Wall -Wextra -Wno-unused -Wcast-qual -Wcast-align -Wbad-function-cast -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wredundant-decls -Wshadow -Wwrite-strings -Wundef"
+
+
+for flag in -Wall; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wextra; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wno-unused; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wcast-qual; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wcast-align; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wbad-function-cast; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wmissing-declarations; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wmissing-prototypes; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wnested-externs; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wredundant-decls; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wshadow; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wwrite-strings; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
+
+
+for flag in -Wundef; do
+  as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
+$as_echo_n "checking whether C compiler accepts $flag... " >&6; }
+if eval \${$as_CACHEVAR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  $flag"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$as_CACHEVAR=yes"
+else
+  eval "$as_CACHEVAR=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+eval ac_res=\$$as_CACHEVAR
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if test x"`eval 'as_val=${'$as_CACHEVAR'};$as_echo "$as_val"'`" = xyes; then :
+  if ${CFLAGS+:} false; then :
+  case " $CFLAGS " in
+    *" $flag "*)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5
+  (: CFLAGS already contains $flag) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      ;;
+    *)
+      { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS \$flag\""; } >&5
+  (: CFLAGS="$CFLAGS $flag") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+      CFLAGS="$CFLAGS $flag"
+      ;;
+   esac
+else
+  CFLAGS="$flag"
+fi
+
+else
+  :
+fi
+
+done
+
   fi
 
 
@@ -14515,7 +15526,7 @@ _ACEOF
   test "$exec_prefix_NONE" && exec_prefix=NONE
 
 
-ac_config_files="$ac_config_files Makefile src/Makefile libltdl/Makefile modules/Makefile modules/core/Makefile doc/Makefile help/Makefile help/opers/Makefile help/users/Makefile tools/Makefile"
+ac_config_files="$ac_config_files Makefile src/Makefile libltdl/Makefile modules/Makefile modules/core/Makefile doc/Makefile help/Makefile tools/Makefile"
 
 
 cat >confcache <<\_ACEOF
@@ -15564,8 +16575,6 @@ do
     "modules/core/Makefile") CONFIG_FILES="$CONFIG_FILES modules/core/Makefile" ;;
     "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
     "help/Makefile") CONFIG_FILES="$CONFIG_FILES help/Makefile" ;;
-    "help/opers/Makefile") CONFIG_FILES="$CONFIG_FILES help/opers/Makefile" ;;
-    "help/users/Makefile") CONFIG_FILES="$CONFIG_FILES help/users/Makefile" ;;
     "tools/Makefile") CONFIG_FILES="$CONFIG_FILES tools/Makefile" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
@@ -16214,7 +17223,7 @@ $as_echo X"$mf" |
     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
     test -z "$DEPDIR" && continue
     am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "am__include" && continue
+    test -z "$am__include" && continue
     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
     # Find all dependency output files, they are included files with
     # $(DEPDIR) in their names.  We invoke sed twice because it is the